github - ghsa-q338-m4f4-2mm6

ghsa-q338-m4f4-2mm6

Vulnerability from github

Published

2022-05-04 00:00

Modified

2022-05-13 00:01

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-27439"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-03T21:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function \u0027tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.",
  "id": "GHSA-q338-m4f4-2mm6",
  "modified": "2022-05-13T00:01:11Z",
  "published": "2022-05-04T00:00:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27439"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-27439 (GCVE-0-2021-27439)

Vulnerability from cvelistv5

Published

2022-05-03 20:26

Modified

2025-04-16 16:24

Severity ?

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-190 - Integer Overflow or Wraparound

Summary

TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

References

URL

Tags

https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	TencentOS-tiny	TencentOS-tiny	Version: 3.1.0

Show details on NVD website

To clipboard

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